(3cJGH GdOjHGL (B/ s - (3GdJjei(B: (3GHhYHjOI eYeQ Hf GdeKfis; (3YHOGdQMef Hf SdjeGf GdYKjejfs; (3YHOGddg Hf SdjeGf GdLQHhYs ([S.N] : (3ecJHI GdNGfLi , s, 1991)
Keywords: (3GdTYQ GdYQHis; (3GdGOH GdYQHis; (3GdGOH GdYQHi (B- (3eLehYGJs